Traction-shoe.



M. D. BYRNE, JR.

THACTION SHOE.

AFPLICATiON FILED APR.18, 1917.

Patented. Jan. 8, 1918.

mr I

WITNESSES MATTHEW 1U, EYENE, 31%., 035 "lTVATER'EUEtY, CUNNECTIC'UT.

TRAGTIG'N SHQE.

specification of Letters Patent,

1 Patented d 8, 19180 Application filed April 18, 191'?" Serial Ito.1691,8 56.

To all whom it may concern:

Be it known that l, MATTHEW D. lldrnnn Jr, a citizen or the UnitedStates, and a resident of Waterbury, in the county of New Haven andState oi Connecticut have invented a new and improved Traction Shoe, ofwhich the following is a full clear, and exact description.

Among the principal objects which the present invention has in view are:to avoid wear upon and cutting of automobiic tires; to provide renewablewearing sections; to provide friction traction surfaces; and to reducethe cost of traction shoes such as herein disclosed.

Drowiaga 1F iaure 1 is a side view of a a vehicle wheel having appliedtiereto trac tion shoes constructed and arranged in ac cordance with thepresent invention;

Fig. 2 is a cross section on an enlarged ed T! scale or a telly tire,and shoe construct and arranged in accordance with the presentinvention; a

Fig, 3 is a perspective view of a shoe con structed and arranged inaccordance the present invention As seen in the drawings. character towhich the inven 7 are preferably mounted on cel dual. resilient tires 8.The tires usually constructed or solid rubber and are held in theadjacent surface of the tires 8. The loosses 10 are provided lengthwisewith grooves 1 in which links 13 of an attaching chain rest in service.

Each oi the links 13 is permanently at tached to an eye-bolt 1d. Theeye-bolt i l has a threaded end which in serviceis engagged by a screwnut 15. To receive the eye-bolt 1d, the plate 11 has a transverse groove16. This'arrarna'ement oi the links and the eye-bolts 1d provides formaintainiullv equipped with the nunr oer o required completely encirclet ing said eye-bolts in predetermined spaced relation on the links.

Each of the plates 11 has lateral flanges 17. The flanges 17 are shapedto provide undercut surfaces 18 to form holding;

tering in service, they are each hound around with a metal band 21-llltloclrs so con." structed may be driven between. the lianges 17 to hensrniy held in the groove l'orrned thereby while in service. The block2d may he t3011S" 'lC'il of any suitable in terial the invention notbeing; limited to the employ ct" vood Also said loloclrs may haveseriesol grooves 22 which in service he corne tilled with grit or roadmetal and the tractlon grip of the shoes on the roadloed juncts in Sui/10B to prevent the tire skidding Usually the chain having the role l31e grooves 22 are valuable Each shoe is held firmly in its tion "ov tlen The l5 po d r the bolts Ilel; rest in the hloclrs unbero could he orfor at inconvenience or as are equipped with shoes C011" 1 rot der theconditions above named. When fur nished with shoes such as described,this excessive wear is totally avoided.

' 5 Claim.

In combination with a vvheel having a plurality of resilient tires, saidtires being disposed in spaced relation for forming an annularoutwardly-opening groove; a chain 1 surrounding said Wheel and mountedin said groove; a plurality of Wearing members,

mea er each embodying a plate having a transverse projection providedwith centrally -disposed perpendicularly-arranged grooves for holdingperpendicularly-related links of a 15 chain; a plurality of Wearingblocks rem0vably attached to said plates at opposite sides of the mediancenter thereof; and eye-bolts extending through said plates for engagingthe links of said chain for binding said shoe 20 plates in servicerelation to the Wheel.

' MATTHEW D. BYRNIL JR.

